Bottlerocket: kernel-5.15: security update to 5.15.178

high Tenable Self-Hosted Container Security Plugin ID 428177

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- In the Linux kernel, the following vulnerability has been resolved: nbd: fix uaf in nbd_open Commit
4af5f2e03013 ("nbd: use blk_mq_alloc_disk and blk_cleanup_disk") cleans up disk by blk_cleanup_disk() and
it won't set disk->private_data as NULL as before. UAF may be triggered in nbd_open() if someone tries to
open nbd device right after nbd_put() since nbd has been free in nbd_dev_remove(). Fix this by
implementing ->free_disk and free private data in it. (CVE-2023-52837)

Plugin Details

Severity: High

ID: 428177

Version: Revision 1.11

Type: Local

Published: 6/30/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-52837

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/14/2023

Reference Information

CVE: CVE-2023-52837